1113520465 has 16 divisors (see below), whose sum is σ = 1398237696. Its totient is φ = 850262400.

The previous prime is 1113520433. The next prime is 1113520469. The reversal of 1113520465 is 5640253111.

It is not a de Polignac number, because 1113520465 - 2⁵ = 1113520433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113520469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37891 + ... + 60520.

It is an arithmetic number, because the mean of its divisors is an integer number (87389856).

Almost surely, 2^1113520465 is an apocalyptic number.

It is an amenable number.

1113520465 is a deficient number, since it is larger than the sum of its proper divisors (284717231).

1113520465 is an equidigital number, since it uses as much as digits as its factorization.

1113520465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98520.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1113520465 is about 33369.4540710513. The cubic root of 1113520465 is about 1036.4922704512.

Adding to 1113520465 its reverse (5640253111), we get a palindrome (6753773576).

The spelling of 1113520465 in words is "one billion, one hundred thirteen million, five hundred twenty thousand, four hundred sixty-five".